Scope and Content From the Collection: The Lawrence Welk Show Advertisement Sheet Music Collection consists of music that was produced by Welk’s arrangers for the purpose of advertising products produced by the show’s sponsors. This includes the companies of Plymouth, Dodge, Aqua Velva, Chevrolet, Mutual of Omaha, and more. During the processing of the advertisement music, various loose uninventoried arrangements were discovered intermixed among them. They have been organized under the Other Music Series. It is unclear if they...